Issue Planning Mode — Mandatory for ALL Issues ALL agents (Claude, Codex, Gemini, Hermes) MUST follow this workflow for every GitHub issue. Load this skill before drafting or executing any plan. Full onboarding guide with step-by-step details: Workflow Overview Completeness gate before close (#2798): compute a test-/evidence-based completeness score ( ), persist it (kanban + issue-body stamp), render , and require the owner-only label (≥ class threshold) before . The server-side gate ( ) reopens issues closed without it. See the rule . Canonical execution method: non-trivial work must be clas…